Burial vault



FIG. 1 is a perspective view of a burial vault showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is an end elevational view thereof;

FIG. 5 is a side elevational view thereof; and

FIG. 6 is a perspective view thereof with the cover shown removed from the base. 

The ornamental design for a burial vault, as shown and described. 